checkdeps.py

@@ -144,6 +144,9 @@ for lhs, rhs in EXTRAS_REQUIRE.items():
         for x in rhs
         if x in EXTRAS_REQUIRE_DEPS
     ]):
+        try:
+            import_module(lhs)
+        except Exception as e:
             rhs_cmd = ''.join([
                 CMD,
                 ' ',